Donner 8pcs DMX512 DMX Dfi 2.4G Wireless 7 Receiver Built-in Battery &amp; 1 Transmitter Stage Lighting Control<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Latest design wireless DMX512 receiver have a built-in battery， don't need power adapter any more when it works. 2 hours full charging time，8 hours working time. Users also can use the product while charging. </span></li><li><span class="a-list-item"> Metal Black Shell. ID Code "1-7" groups ID code，press 'KEY' for setting，it only can work under same ID code of transmitter and receiver. (Same LED Color). </span></li><li><span class="a-list-item"> This product adopts a 2.4G ISM frequency section. High effective GFSK modulate， communication design.No time delay when signal data is transmitting， signal data is real time and reliably. </span></li><li><span class="a-list-item"> RF frequency 2.400 - 2.525G.126 channels jumping frequency automatically， high anti-jamming ability </span></li><li><span class="a-list-item"> The red LED flashes when transmitter transmits DMX data by no interfered frequency section， then receiver changes communicated frequency section. Green LED flash till received corrected same ID value， LED flash more fast once DMX data more fast. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51ayjRSVT8L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41bEsMB6FKL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51VNcnN83dL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31kYNgVxklL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51zaFYijrZL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51aRhQ69lxL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51vzH9VYNUL.jpg" noproxy>